Confidence Intervals = Z intervals on your Calculator We also have a Z-score It tells you the probability of that score occurring from 0 to 1 How do you Calculate it: (X – (mean)) / standard deviation If it is Positive it is greater than 50% If it is negative it is less than 50% You can find a Z-score table anywhere on the internet if googled I will give you 5 points extra credit if you add it as a separate slide with the correct Z-scores for Question #1’s variables (max & min for both L1 and L2) Include a summary of what the z score means